Post date: Mar 22, 2016 2:51:10 PM
Preparation of the sample
1. (DO NOT REZERO THE BALANCE) Remove the cover from the crucible and add 1-2 g of the salt provided.
2. Replace the cover.
3. Record the mass of the crucible, cover, and hydrate in the data table.
Determining the mass of water lost
4. Repeat steps 2-7. Remember to continue heating until the mass changes by no more than 0.02 g.
5. Record the mass of crucible, cover, and anhydrous salt
6. Complete a second trial
Data Table